<div class="container-fluid p-4">
    <div class="row">
        <div class="col-auto mb-3">
            <sl-button class="nr-btn-start" variant="warning">开始测速</sl-button>
        </div>
        <div class="col-auto mb-3">
            <sl-select class="nr-se-server" style="width:12em;max-width:50vw"></sl-select>
        </div>
        <div class="col-12">
            <div class="nr-card-result"></div>
        </div>
    </div>
</div>